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157700413 = 1318167021
BaseRepresentation
bin10010110011001…
…01000100111101
3101222202000022001
421121211010331
5310332403123
623352022301
73623300653
oct1131450475
9358660261
10157700413
1181021722
1244991991
1326896b70
1416d30dd3
15dca10ad
hex966513d

157700413 has 8 divisors (see below), whose sum is σ = 170772056. Its totient is φ = 144763200.

The previous prime is 157700371. The next prime is 157700419. The reversal of 157700413 is 314007751.

157700413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20412324 + 137288089 = 4518^2 + 11717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157700413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157700419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31158 + ... + 35863.

It is an arithmetic number, because the mean of its divisors is an integer number (21346507).

Almost surely, 2157700413 is an apocalyptic number.

157700413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157700413 is a deficient number, since it is larger than the sum of its proper divisors (13071643).

157700413 is a wasteful number, since it uses less digits than its factorization.

157700413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67215.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 157700413 is about 12557.8825046263. The cubic root of 157700413 is about 540.2701129212.

The spelling of 157700413 in words is "one hundred fifty-seven million, seven hundred thousand, four hundred thirteen".

Divisors: 1 13 181 2353 67021 871273 12130801 157700413